Background & objective:: In recent years, there has been a dramatic increase in the application of nanotechnology in industries and the number of workers occupied in different processes of research on and construction, production and residue disposal of products containing nanoparticles. Despite this growth, however, there is still a dearth of information on the risk of occupational exposure to...

  Background and Aim : Occupational exposure may predispose health care workers to acquiring hepatitis B, C and HIV via the skin and mucous membranes when they expose to blood and body fluids .The best preventive measure in this respect is taking universal precautions. In the wards where occupational exposure is more likely-such as dialysis, operation room, emergency, and labour-these precautio...

Introduction: Nowadays, millions of people are exposed to the dusts in their workplaces. Occupational exposure to dusts is considered as one of the most common and serious occupational hazards to workers’ health. The purpose of this literature review was to review the literature related to the occupational exposure to dusts in Iran published over the past 14 years.   Material and Methods: In t...

Introduction: Existing literatures indicate that occupational exposure to formaldehyde may decrease blood platelets. In this study, the influences of occupational exposure to formaldehyde on the number of blood plateletsand clinical symptoms were studied while determining the occupational exposure of employees of a wood industry to formaldehyde. .Material and Method: In a case study, the oc...